/* 上色 */ /*  */
body {
  margin: 0;
  padding: 0;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 10px;
  border-bottom: 1px #e5e5e5 solid;
}
.left-part,
.right-part {
  display: flex;
  align-items: center;
}
.right-part > * {
  margin: 0 10px;
  cursor: pointer;
}
.nav-topic {
  display: flex;
  align-items: center;
}
.nav-topic > * {
  margin: 0 5px;
}
.pic-box{
  width: 20px;
  height: 20px;
}
.pic-box .logo{
  width: 100%;
  height: 100%;
}
.nav-topic .slash {
  color:#babbbc;
  font-size: large;
}

.nav-list {
  display: flex;
  list-style: none;
}
.nav-list a{
  margin:0 15px;
  color: #000;
  text-decoration: none;
}
.nav-button {
  padding: 12px 20px;
  color: #000;
  background-color: #fff;
  border: 1px solid #d7d6d6;
  border-radius: 5px;
}
.nav-button.black {
  color: #f8f8f9;
  background-color: #2d2f33;
  border: #44464a;
}
.container {
  width: 50%;
  min-width: 300px;
  margin: 50px auto 0;
}
.question {
  padding: 10px 0;
  border-bottom: 1px solid #b4bbc2;
}
.question > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.question-title {
  margin-top: 10px;
  margin-bottom: 0px;
}
.fa-search {
  color: #000;
}
.fa-minus,
.fa-plus {
  color: #b04385;
  cursor: pointer;
}
